# How do you prove that (tanx+cosx)/(1+sinx)=secx?

##### 1 Answer
Feb 14, 2015

I suspect that this identity doesn't work.
I tried to substitute an angle for $x$ and doesn't work (I used $x = \frac{\pi}{6}$, so you get $0.962 = 1.154$).
Maybe there is a typing error in it.